/* 内容容器 */
*{
	margin: 0;
	padding: 0;
	border: 0;
}
.wrapper {
	width: 100%;
	height: 100%;
	position: relative;
}
.header {
		top: 0;
    left: 0;
    position: absolute;
	  width: 10.0rem;
	  height: 1.2rem;
	  display: flex;
	  align-items: center;
	  justify-content: center;
	  background-color: #f8f8f8;
	  font-size: 18px;
	  z-index: 2;
}
.content {
	width: 100%;
	height: 100%;
	padding-top: 1.2rem; /* 45px */
	padding-bottom: 1.2rem; /* 45px */
	box-sizing: border-box;
	overflow-y: auto;
	background-color: white;
}

/*  底部菜单栏  */
.footer {
	display: flex;
	align-items: center;
	flex: 1;
	width: 100%;
	height: 1.2rem;  /* 45px */
	background-color: #f8f8f8;
	position: absolute;
	left: 0;
	bottom: 0;
}
.footer .footer_item {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	font-size: 12px;
	justify-content: center;
}

.footer .footer_item i {
	font-size: 28px;
}
.footer .footer_item .controlo {
	height: 100%;
}
.footer .footer_item .controlo span {
	display: block;
	width: 20px;
	height: 20px;
	border-radius: 50%;
	background-color: red;
	color: white;
	text-align: center;
	line-height: 20px;
	overflow: hidden;
}
.footer .footer_item .active {
	color: green;
}